/**
 * jquery.timer.js
 *
 * Copyright (c) 2011 Jason Chavannes <jason.chavannes@gmail.com>
 *
 * http://jchavannes.com/jquery-timer
 *
 * Permission is hereby granted, free of charge, to any person
 * obtaining a copy of this software and associated documentation
 * files (the "Software"), to deal in the Software without
 * restriction, including without limitation the rights to use, copy,
 * modify, merge, publish, distribute, sublicense, and/or sell copies
 * of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be
 * included in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

;(function($) {
        $.timer = function(func, time, autostart) {    
                this.set = function(func, time, autostart) {
                        this.init = true;
                        if(typeof func == 'object') {
                                var paramList = ['autostart', 'time'];
                                for(var arg in paramList) {if(func[paramList[arg]] != undefined) {eval(paramList[arg] + " = func[paramList[arg]]");}};
                                func = func.action;
                        }
                        if(typeof func == 'function') {this.action = func;}
                        if(!isNaN(time)) {this.intervalTime = time;}
                        if(autostart && !this.isActive) {
                                this.isActive = true;
                                this.setTimer();
                        }
                        return this;
                };
                this.once = function(time) {
                        var timer = this;
                        if(isNaN(time)) {time = 0;}
                        window.setTimeout(function() {timer.action();}, time);
                        return this;
                };
                this.play = function(reset) {
                        if(!this.isActive) {
                                if(reset) {this.setTimer();}
                                else {this.setTimer(this.remaining);}
                                this.isActive = true;
                        }
                        return this;
                };
                this.pause = function() {
                        if(this.isActive) {
                                this.isActive = false;
                                this.remaining -= new Date() - this.last;
                                this.clearTimer();
                        }
                        return this;
                };
                this.stop = function() {
                        this.isActive = false;
                        this.remaining = this.intervalTime;
                        this.clearTimer();
                        return this;
                };
                this.toggle = function(reset) {
                        if(this.isActive) {this.pause();}
                        else if(reset) {this.play(true);}
                        else {this.play();}
                        return this;
                };
                this.reset = function() {
                        this.isActive = false;
                        this.play(true);
                        return this;
                };
                this.clearTimer = function() {
                        window.clearTimeout(this.timeoutObject);
                };
                this.setTimer = function(time) {
                        var timer = this;
                        if(typeof this.action != 'function') {return;}
                        if(isNaN(time)) {time = this.intervalTime;}
                        this.remaining = time;
                        this.last = new Date();
                        this.clearTimer();
                        this.timeoutObject = window.setTimeout(function() {timer.go();}, time);
                };
                this.go = function() {
                        if(this.isActive) {
                                this.action();
                                this.setTimer();
                        }
                };
               
                if(this.init) {
                        return new $.timer(func, time, autostart);
                } else {
                        this.set(func, time, autostart);
                        return this;
                }
        };
})(jQuery);
